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1. What are the importance of ashing the sample?
2. During digestion, what happened to the sample analyte during this process? Provide the
3. On the analysis, what is the importance of calibrating the machine? What happened to the analyte during the analysis of AAS?
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- 1. what sugar causes the same color reactions with the test for pentoses? why? 2. what other substances interfere with the indican reactions? 3. Why should the specimen be albumin free when performing the chloride test for urine?During the lumbar puncture 3 bottles are used: Why don’t they spin the sample that will be used for biochemistry?When acids are added to a solution, the pH should ___________ . a. decrease b. increase c. stay the same d. cannot tell without testing
- 11. ● Possible methods for the quantitative determination of sodium bicarbonate for injection are: A) Acidimetry B) Alkalimetry C) Complexometry D) Iodometry E) Refractometry ● Calcium chloride is available in dosage forms: A) Powder for preparation of injections B) Solution for injection 10% in ampoules C) Tablets of 0.3 g D) Solution for injection 25% in ampoules E) Dry dosed powder1. What would be the effect of the following errors in chromatographic work? a. The solvent level in the developing chamber is higher than the spotted sample. b. Too much sample is applied to the paper. c. The paper is allowed to remain in the chamber after the solvent front has reached the top of the plate.To prepare a vaginal irrigation, a nurse uses 3 tsp of vinegar and 1.5 L of water. a. How many ml of vinegar should she use? b. If she prepares a solution using only 500 ml of water, how many ml of vinegar should she use?
- 1. Conclude regarding the chemical composition of the formation of film in fresh milk. 2. Why does fresh milk can form a film and sour milk cant?Based on this video https://www.youtube.com/watch?v=rKng5-ij6kQ Provide a schematic diagram for the Iodine test methodologies in determining the presence of carbohydrates. Also, give the basic principle for the test.I have: DMEM:F12 800X ITS 1.07 g/ml Linoleic acid Nu-serum (pure solution) BSA (pure powder) How much of each would I need to make 500ml of (1x ITS, 7.49 ug/ml linoleic acid, 4% v/v Nu-serum, 0.15% W/V BSA, and DMEM:F12 as the solvent)?
- My question is: Could you explain steps? (etc. why do we heat or add chemicals like nacl or ammonium sulphate?) 1)Casein Isolation from MilkExperimental Procedure* Put 100 ml of milk in a 500 ml beaker and heat it to 40 0C. * Also heat 100 ml acetate buffer and slowly add it to the beaker with milk while stirring. * The final pH of the mixture should be 4.8. * Cool the suspension to room temperature and wait 5 more minutes before filtering. * Wash the precipitate several times with small volumes of water and then suspend it in approximately 30 ml of ethanol.Filter the suspension in the buchner funnel and wash the precipitate a second time with a mixture of equal proportions of ethanol and ether. * Finally, wash the precipitate on filter paper with 50 ml of ether and soak and dry. * Make the ether evaporate by spreading the powder. * Weigh the casein and calculate the percentage yield of the protein. * Compare with theoretical yield of 3.5 g per 100 ml milk. 2)Purification of Egg…1. The prescription for an oral solution reads “1 tbsp ac & hs x 10d.” What is the minimum (in mL) of solution should you dispense? 2. A nursing floor requires half liter of 50% isopropyl alcohol. How many mL of 70% isopropyl alcohol will be needed for compounding this order? 3. How may grams of pure dextrose is needed to prepare 100cc of D50W?Your pharmacy has on hand Tetracycline 250 mg/5 mL liquid.You receive a prescription for Tetracycline syrup 500 mg qid for 7 days. How many total milliliters would you dispense? Your pharmacy has on hand Prednisone 5 mg tablets.You receive a prescription for Prednisone 5 mg ii tabs stat and qid x 1 day, then ii tabs tid x 2 days, then ii tabs bid x 2 days, then i tab tid x 3 days, then i tab bid x 3days, then i tab qd x 4 days How many tablets would you dispense for this prescription? How many days will the patient take this medication for? Your pharmacy has on hand Dilantin 100mg capsules.You receive a prescription for Dilantin 100 mg 1 cap po in the AM & PM, 200mg (2 caps) po at noon, and 300mg (3 caps) po at hs. Dispense a 30 day supply. (using the 100mg capsules you have in stock) How many capsules will you dispense? Your pharmacy has on hand Dakins Irrigation Solution 1 liter.You receive a prescription for Dakins Irrigation Solution Irrigate chest tube with 100 mL…